The government of a country is its control system
Governments make laws and provide services to their citizens
The land over which a government has controlled is its territory
A country's territory has boundaries andor borders
When you leave or enter a country's territory you usually need a passport
A country's military provides defense for its territory and its citizens
The military includes an army，an airforce and a navy
The main purpose of a military is to defend a country from attack
A country's criminal justice system includes police、courts and prisons
Its purpose is to enforce the law and protects people from criminal activities
A country social services system provides support to people in need
It provides basic health care service and helps poor people support their children
Most of the citizens of a country live within its territory
The territory of a country is defined by its boundaries